131330133533 has 2 divisors, whose sum is σ = 131330133534. Its totient is φ = 131330133532.

The previous prime is 131330133521. The next prime is 131330133547. The reversal of 131330133533 is 335331033131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129368263684 + 1961869849 = 359678^2 + 44293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131330133533 is a prime.

It is a super-2 number, since 2×131330133533² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131330133496 and 131330133505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131330133503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665066766 + 65665066767.

It is an arithmetic number, because the mean of its divisors is an integer number (65665066767).

Almost surely, 2^131330133533 is an apocalyptic number.

It is an amenable number.

131330133533 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330133533 is an equidigital number, since it uses as much as digits as its factorization.

131330133533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935, while the sum is 29.

Adding to 131330133533 its reverse (335331033131), we get a palindrome (466661166664).

The spelling of 131330133533 in words is "one hundred thirty-one billion, three hundred thirty million, one hundred thirty-three thousand, five hundred thirty-three".